| WONSAN LIMITED | Private company limited by shares | Dissolved |
| Hong Kong Wonsan Trading Limited | Private company limited by shares | Live |
| WONSANG INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| WONSEC LIMITED | Private company limited by shares | Live |
| WONSEI LIMITED | Private company limited by shares | Live |
| WONSEN TRADE LIMITED | Private company limited by shares | Live |
| WONSILY LIMITED | Private company limited by shares | Dissolved |
| WONSKY INTERNATIONAL TRADING CO., LIMITED | Private company limited by shares | Live |
| WONSMART COMPANY LIMITED | Private company limited by shares | Live |
| WONSO LIMITED | Private company limited by shares | Live |
| WONSOL SEAFOOD COMPANY LIMITED | Private company limited by shares | Dissolved |
| WONSON ENTERTAINMENT & ADVERTISING LIMITED | Private company limited by shares | Dissolved |
| WONSON (ASIA) LIMITED | Private company limited by shares | Dissolved |
| WONSON (CHINA) LIMITED | Private company limited by shares | Dissolved |
| WONSON ERDENE RESOURCES LIMITED | Private company limited by shares | Dissolved |
| WONSON INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| WONSON METALS LIMITED | Private company limited by shares | Dissolved |
| WONSON METALS AND MINERALS LIMITED | Private company limited by shares | Dissolved |
| WONSON (GOLD PROSPER) ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| WONSON RESOURCES LIMITED | Private company limited by shares | Dissolved |
| Wonspeed Technology Co., Limited | Private company limited by shares | Live |
| WONSTON LIMITED | Private company limited by shares | Dissolved |
| WONSTON ELECTRONICS LIMITED | Private company limited by shares | Live |
| WONSUTE LIMITED | Private company limited by shares | Dissolved |
| WONSY LIMITED | Private company limited by shares | Dissolved |